/* ================================================================
   STEEL PAINT — Design System
   Tecnológico · Corporativo · Industrial · B2B Monterrey
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg-0:        #060809;
  --bg-1:        #0C1014;
  --bg-2:        #121920;
  --bg-3:        #19222C;
  --bg-4:        #202C38;

  --g-900: #052E16;
  --g-800: #14532D;
  --g-700: #166534;
  --g-600: #16A34A;
  --g-500: #22C55E;
  --g-400: #4ADE80;
  --g-300: #86EFAC;

  --o-600: #C2410C;
  --o-500: #EA580C;
  --o-400: #F97316;

  --text-1: #F0F4F8;
  --text-2: #8896A6;
  --text-3: #4A5568;

  --border:       rgba(255,255,255,0.06);
  --border-g:     rgba(22,163,74,0.22);
  --border-g-hi:  rgba(34,197,94,0.45);

  --shadow-green: 0 0 32px rgba(22,163,74,0.12);
  --shadow-card:  0 4px 28px rgba(0,0,0,0.5);

  --f-head: 'Sora', 'Inter', system-ui, sans-serif;
  --f-body: 'Inter', system-ui, sans-serif;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t:    0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ts:   0.5s  cubic-bezier(0.4, 0, 0.2, 1);

  --r:  8px;
  --rl: 14px;
  --container: 1240px;
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--f-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ── TYPOGRAPHY ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: var(--f-head); line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.5vw, 3.8rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--text-2); line-height: 1.75; }

.label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--g-500);
  display: block;
  margin-bottom: 0.75rem;
}

/* ── LAYOUT ─────────────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}
.section       { padding: clamp(64px,8vw,100px) 0; }
.section--alt  { background: var(--bg-1); }
.section--card { background: var(--bg-2); }

/* Blueprint grid texture for some sections */
.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--r);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--t);
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--g-600);
  color: #fff;
}
.btn-primary:hover {
  background: var(--g-500);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22,163,74,0.35);
}
.btn-ghost {
  border: 1px solid var(--border-g);
  color: var(--g-300);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--border-g-hi);
  background: rgba(22,163,74,0.06);
  color: var(--g-400);
}
.btn-orange {
  background: var(--o-500);
  color: #fff;
}
.btn-orange:hover {
  background: var(--o-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(234,88,12,0.35);
}
.btn-lg { padding: 0.95rem 2.2rem; font-size: 1rem; }

/* ── SECTION HEADER ─────────────────────────────────────────── */
.sh { margin-bottom: clamp(2.5rem,5vw,4rem); }
.sh.center { text-align: center; }
.sh.center p { margin: 0 auto; }
.sh h2 { margin-bottom: 0.9rem; }
.sh p   { max-width: 580px; font-size: 1.05rem; }

/* ── SCROLL PROGRESS ─────────────────────────────────────────── */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--g-500);
  z-index: 300;
  box-shadow: 0 0 8px var(--g-500);
  transition: width 0.1s linear;
}

/* ── NAVBAR ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 1.25rem 0;
  transition: background var(--ts), padding var(--ts), border-color var(--ts);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6,8,9,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__logo  { height: 34px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 1.8rem; }
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--t);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--g-500);
  transition: width var(--t);
}
.nav__links a:hover { color: var(--text-1); }
.nav__links a:hover::after { width: 100%; }
.nav__links a.active { color: var(--text-1); }
.nav__links a.active::after { width: 100%; }
.nav__cta { margin-left: 1.25rem; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all var(--t);
}

/* ── MOBILE MENU ─────────────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(6,8,9,0.98);
  backdrop-filter: blur(16px);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2rem;
  padding: 0 clamp(2rem, 9vw, 3.5rem);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-1);
  text-align: left;
  transition: color var(--t);
  font-family: var(--f-head);
}
.mobile-nav a:hover { color: var(--g-400); }
.mobile-nav .btn { font-size: 1.05rem; font-weight: 600; color: #fff; }
.mobile-nav__close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.5rem;
  color: var(--text-2);
  cursor: pointer;
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg,
    rgba(6,8,9,0.92) 0%,
    rgba(6,8,9,0.75) 45%,
    rgba(14,42,24,0.4) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-top: 5rem;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(22,163,74,0.08);
  border: 1px solid var(--border-g);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--g-400);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero__badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--g-500);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.35; }
}
.hero h1 {
  color: #fff;
  margin-bottom: 1.4rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--g-400);
}
.hero__lead {
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  font-weight: 500;
  color: var(--text-1);
  max-width: 620px;
  margin-bottom: 1.5rem;
  margin-top: -0.4rem;
  line-height: 1.4;
}
.hero__sub {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.hero__scroll-text {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}
.hero__scroll-line {
  width: 1px; height: 42px;
  background: linear-gradient(to bottom, var(--g-600), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* Hero fade-in animation */
.hero-in {
  animation: heroIn 0.9s var(--ease) both;
  opacity: 0;
}
.hero-in:nth-child(1) { animation-delay: 0.1s; }
.hero-in:nth-child(2) { animation-delay: 0.25s; }
.hero-in:nth-child(3) { animation-delay: 0.4s; }
.hero-in:nth-child(4) { animation-delay: 0.55s; }
.hero-in:nth-child(5) { animation-delay: 0.7s; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── CLIENTS STRIP ──────────────────────────────────────────── */
.clients {
  padding: 2.5rem 0;
  background: var(--bg-1);
  border-top:    1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.clients__label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.75rem;
}
.clients__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem,4vw,4rem);
  flex-wrap: wrap;
}
.client-pill {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.55rem 1.4rem;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text-3);
  letter-spacing: 0.04em;
  transition: all var(--t);
  white-space: nowrap;
}
.client-pill:hover {
  border-color: var(--border-g);
  color: var(--text-1);
  transform: translateY(-2px);
}

/* ── STATS ──────────────────────────────────────────────────── */
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  overflow: hidden;
}
.stat {
  padding: 2.5rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--t);
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--g-600);
  transform: scaleX(0);
  transition: transform var(--t);
  transform-origin: left;
}
.stat:hover::before { transform: scaleX(1); }
.stat:hover { background: var(--bg-2); }
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--f-head);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--g-400);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.stat__label {
  font-size: 0.8rem;
  color: var(--text-3);
  font-weight: 500;
  line-height: 1.4;
}

/* ── PROCESS ────────────────────────────────────────────────── */
.process__track {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 0;
  position: relative;
}
.process__track::after {
  content: '';
  position: absolute;
  top: 2.1rem;
  left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(to right,
    transparent,
    var(--border-g) 15%,
    var(--g-600) 50%,
    var(--border-g) 85%,
    transparent);
  pointer-events: none;
}
.pstep {
  padding: 0 0.75rem 0;
  text-align: center;
  position: relative;
  z-index: 1;
}
.pstep__num {
  width: 4.2rem; height: 4.2rem;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1.5px solid var(--border-g);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-family: var(--f-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--g-500);
  transition: all var(--t);
}
.pstep:hover .pstep__num {
  background: var(--g-900);
  border-color: var(--g-500);
  box-shadow: 0 0 20px rgba(22,163,74,0.25);
  color: var(--g-300);
}
.pstep h4 {
  font-size: 0.9rem;
  color: var(--text-1);
  margin-bottom: 0.5rem;
}
.pstep p { font-size: 0.8rem; color: var(--text-3); line-height: 1.5; }

/* ── CAPACITY CARDS ─────────────────────────────────────────── */
.cap-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2rem;
  transition: all var(--t);
}
.cap-card:hover {
  border-color: var(--border-g);
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}
.cap-card__icon {
  width: 48px; height: 48px;
  background: rgba(22,163,74,0.08);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--g-500);
  font-size: 1.35rem;
}
.cap-card h4 { color: var(--text-1); margin-bottom: 0.6rem; }
.cap-card p  { font-size: 0.875rem; }

/* ── INDUSTRIES ─────────────────────────────────────────────── */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.25rem;
}
.ind-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  transition: all var(--t);
}
.ind-card:hover {
  border-color: var(--border-g);
  transform: translateY(-3px);
  background: var(--bg-3);
}
.ind-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--bg-3);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.ind-text h4 { color: var(--text-1); font-size: 0.95rem; margin-bottom: 0.35rem; }
.ind-text p  { font-size: 0.82rem; }

/* ── BRANDS ─────────────────────────────────────────────────── */
.brands__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.brand-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.1rem 2rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-2);
  letter-spacing: 0.02em;
  transition: all var(--t);
  min-width: 130px;
  text-align: center;
}
.brand-box:hover {
  border-color: var(--border-g);
  color: var(--text-1);
  transform: translateY(-2px);
}

/* ── GALLERY MARQUEE ────────────────────────────────────────── */
.gallery-marquee {
  display: flex;
  flex-direction: column;
  gap: 25px;
  overflow: hidden;
}
.marquee {
  position: relative;
  overflow: hidden;
  height: 260px;
}
.marquee__track {
  display: flex;
  gap: 25px;
  height: 100%;
  width: max-content;
  will-change: transform;
}
.marquee--left .marquee__track {
  animation: marquee-left 50s linear infinite;
}
.marquee--right .marquee__track {
  animation: marquee-right 50s linear infinite;
}
.marquee:hover .marquee__track {
  animation-play-state: paused;
}
.mq-item {
  flex: 0 0 380px;
  width: 380px;
  height: 260px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-3);
  cursor: pointer;
}
.mq-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}
/* fila 1: 8 items * (380px + 25px) = 3240px */
@keyframes marquee-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-3240px); }
}
/* fila 2: 7 items * (380px + 25px) = 2835px */
@keyframes marquee-right {
  from { transform: translateX(-2835px); }
  to   { transform: translateX(0); }
}

/* ── LIGHTBOX ───────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 9999;
  animation: lightbox-fade 0.25s ease;
}
.lightbox.is-open {
  display: flex;
}
.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: scale(1.05);
}
@keyframes lightbox-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── WHY US ─────────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.25rem;
}
.why-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--rl);
  background: var(--bg-1);
  border-left: 3px solid var(--g-700);
  transition: all var(--t);
}
.why-card:hover {
  border-left-color: var(--g-500);
  background: var(--bg-2);
  box-shadow: -4px 0 20px rgba(22,163,74,0.15);
}
.why-card__n {
  font-family: var(--f-head);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--g-700);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  transition: color var(--t);
}
.why-card:hover .why-card__n { color: var(--g-500); }
.why-card h4 { color: var(--text-1); margin-bottom: 0.5rem; }
.why-card p  { font-size: 0.875rem; }

/* ── CTA BANNER ─────────────────────────────────────────────── */
.cta-band {
  padding: 5.5rem 0;
  text-align: center;
  background: var(--bg-1);
  border-top: 1px solid var(--border-g);
  border-bottom: 1px solid var(--border-g);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(22,163,74,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; margin-bottom: 1rem; position: relative; }
.cta-band p  { max-width: 500px; margin: 0 auto 2.5rem; font-size: 1.05rem; position: relative; }
.cta-band__actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; position: relative; }

/* ── CONTACT ────────────────────────────────────────────────── */
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}
.contact-info__head {
  color: var(--text-1);
  margin-bottom: 0.75rem;
}
.contact-info p { margin-bottom: 2rem; }
.cdet {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.cdet__icon {
  width: 40px; height: 40px; min-width: 40px;
  background: var(--bg-2);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-500);
  font-size: 1rem;
}
.cdet__body strong {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}
.cdet__body span { font-size: 0.9rem; color: var(--text-2); }

/* ── FORM ───────────────────────────────────────────────────── */
.form-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 1rem;
  color: var(--text-1);
  font-size: 0.9rem;
  transition: border-color var(--t), box-shadow var(--t);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--g-600);
  box-shadow: 0 0 0 3px rgba(22,163,74,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__brand img { height: 30px; margin-bottom: 1rem; }
.footer__brand p   { font-size: 0.85rem; max-width: 270px; }
.footer__col h5 {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-1);
  margin-bottom: 1.25rem;
}
.footer__col li { margin-bottom: 0.6rem; }
.footer__col li a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color var(--t);
}
.footer__col li a:hover { color: var(--g-400); }
.footer__bar {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__bar p { font-size: 0.78rem; color: var(--text-3); }
.footer__credit { font-size: 0.75rem; color: var(--text-3); }
.footer__credit a { color: var(--g-600); transition: color var(--t); }
.footer__credit a:hover { color: var(--g-400); }

/* ── REVEAL ANIMATIONS ──────────────────────────────────────── */
.reveal, .reveal-l, .reveal-r {
  opacity: 0;
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal   { transform: translateY(24px); }
.reveal-l { transform: translateX(-30px); }
.reveal-r { transform: translateX(30px); }
.reveal.in, .reveal-l.in, .reveal-r.in {
  opacity: 1;
  transform: none;
}
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }
.d5 { transition-delay: 0.5s; }

/* ── PAGE HERO (inner pages) ─────────────────────────────────── */
.page-hero {
  padding: 7.5rem 0 4rem;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--g-700), transparent);
}
.page-hero h1 { color: #fff; margin-bottom: 1rem; }
.page-hero p  { max-width: 560px; font-size: 1.05rem; }

/* ── NOSOTROS ────────────────────────────────────────────────── */
.vals-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; }
.val-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2rem;
  border-top: 3px solid var(--g-700);
  transition: all var(--t);
}
.val-card:hover {
  border-top-color: var(--g-500);
  box-shadow: 0 -4px 20px rgba(22,163,74,0.15);
  background: var(--bg-3);
}
.val-card i    { font-size: 1.4rem; color: var(--g-600); margin-bottom: 1rem; display: block; }
.val-card h4   { color: var(--text-1); margin-bottom: 0.5rem; }
.val-card p    { font-size: 0.875rem; }

.mv-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.mv-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2.5rem;
}
.mv-card .label { color: var(--g-500); }
.mv-card h3 { color: var(--text-1); margin-bottom: 1rem; }
.mv-card p  { font-size: 0.95rem; }

/* ── CALCULADORA ─────────────────────────────────────────────── */
.calc-hero {
  padding: 7rem 0 4rem;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.calc-hero::before {
  content: '';
  position: absolute;
  top: -30%; left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(234,88,12,0.07) 0%, transparent 70%);
}
.calc-hero h1 { color: #fff; margin-bottom: 1rem; position: relative; }
.calc-hero p  { max-width: 540px; margin: 0 auto; font-size: 1.05rem; position: relative; }

.calc-wrap { max-width: 680px; margin: 0 auto; padding: 3rem 1rem 5rem; }

.calc-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 2.5rem;
  margin-bottom: 2rem;
}
.calc-box h3 { color: var(--text-1); margin-bottom: 0.5rem; }
.calc-box > p { margin-bottom: 2rem; font-size: 0.95rem; }

.calc-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.calc-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}
.calc-field input,
.calc-field select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 1rem;
  color: var(--text-1);
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: border-color var(--t);
}
.calc-field input:focus,
.calc-field select:focus {
  border-color: var(--o-500);
  box-shadow: 0 0 0 3px rgba(234,88,12,0.12);
}
.calc-field select { appearance: none; }
.calc-field .hint {
  font-size: 0.72rem;
  color: var(--text-3);
  margin-top: 0.3rem;
}

.calc-result {
  display: none;
  background: var(--bg-3);
  border: 1px solid var(--border-g);
  border-radius: var(--rl);
  padding: 2.5rem;
  text-align: center;
  animation: resultIn 0.4s var(--ease) both;
}
.calc-result.show { display: block; }
@keyframes resultIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}
.calc-result__label { font-size: 0.8rem; color: var(--text-3); margin-bottom: 0.5rem; }
.calc-result__total {
  font-family: var(--f-head);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--g-400);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.calc-result__sub { font-size: 0.8rem; color: var(--text-3); margin-bottom: 2rem; }
.calc-breakdown {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.bd-item {
  background: var(--bg-2);
  border-radius: var(--r);
  padding: 0.85rem 0.5rem;
}
.bd-item .val {
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-1);
  display: block;
}
.bd-item .lbl { font-size: 0.68rem; color: var(--text-3); display: block; margin-top: 0.15rem; }
.calc-disclaimer {
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-radius: var(--r);
  border-left: 2px solid var(--o-500);
}

/* ── BLOG / RECURSOS ─────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.blog-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  overflow: hidden;
  transition: all var(--t);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: var(--border-g);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.blog-card__img {
  height: 180px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.4rem;
}
.blog-card__img i { font-size: 2.2rem; color: var(--text-3); opacity: 0.4; }
.blog-card__img span { font-size: 0.7rem; color: var(--text-3); }
.blog-card__body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--g-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
}
.blog-card h3 {
  font-size: 0.95rem;
  color: var(--text-1);
  margin-bottom: 0.6rem;
  line-height: 1.45;
}
.blog-card p {
  font-size: 0.82rem;
  flex: 1;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-3);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: auto;
}
.blog-read {
  color: var(--g-500);
  font-weight: 600;
  font-size: 0.75rem;
  transition: color var(--t);
}
.blog-card:hover .blog-read { color: var(--g-400); }

/* ── LEGALES ─────────────────────────────────────────────────── */
.legal-body { max-width: 780px; margin: 0 auto; padding: 3rem 0 5rem; }
.legal-body h2 { color: var(--text-1); font-size: 1.4rem; margin: 2.5rem 0 0.75rem; }
.legal-body h3 { color: var(--text-1); font-size: 1.1rem; margin: 1.75rem 0 0.5rem; }
.legal-body p  { margin-bottom: 1rem; font-size: 0.95rem; }
.legal-body ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-body ul li { font-size: 0.95rem; color: var(--text-2); margin-bottom: 0.4rem; list-style: disc; }

/* ── SUCCESS STATE ───────────────────────────────────────────── */
.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
}
.form-success.show { display: block; }
.form-success i { font-size: 3rem; color: var(--g-500); display: block; margin-bottom: 1rem; }
.form-success h4 { color: var(--text-1); margin-bottom: 0.5rem; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4        { grid-template-columns: repeat(2,1fr); }
  .stats__grid   { grid-template-columns: repeat(2,1fr); }
  .process__track{ grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
  .process__track::after { display: none; }
  .footer__grid  { grid-template-columns: 1fr 1fr; }
  .contact__layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .calc-breakdown { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger            { display: flex; }
  /* Capacidades (.grid-4), industrias y "por qué nosotros" colapsan a 1 columna */
  .grid-2, .grid-3, .grid-4, .why-grid, .ind-grid, .blog-grid, .vals-grid, .mv-block { grid-template-columns: 1fr; gap: 1.25rem; }
  .process__track         { grid-template-columns: repeat(2,1fr); }
  .lightbox__close        { top: 1rem; right: 1rem; }
  .footer__grid           { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bar            { flex-direction: column; gap: 0.5rem; text-align: center; }
  /* Botones del hero: apilados y ancho completo */
  .hero__actions          { flex-direction: column; }
  .hero__actions .btn     { justify-content: center; width: 100%; }
  /* Oculta el indicador "Scroll" en móvil: se superponía a los botones del hero */
  .hero__scroll           { display: none; }
  .form-row               { grid-template-columns: 1fr; }
  .stat                   { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:last-child        { border-bottom: none; }
  .cta-band__actions      { flex-direction: column; align-items: center; }
  .calc-inputs            { grid-template-columns: 1fr; }
  .calc-breakdown         { grid-template-columns: 1fr 1fr; }
  /* Logos de clientes y marcas: wrap en varias filas (anula el flex-wrap:nowrap inline) */
  .clients .clients__logos { flex-wrap: wrap; gap: 1rem 1.5rem; }
  .brands__row             { gap: 1rem; }
  .brands__row .brand-box  { min-width: 104px; }
}
@media (max-width: 480px) {
  /* Más aire en los laterales en móvil */
  .wrap            { padding-left: 1.5rem; padding-right: 1.5rem; }
  /* Proceso: 5 pasos en 1 columna, centrados, número arriba del texto */
  .process__track  { grid-template-columns: 1fr; gap: 2rem; }
  .pstep           { max-width: 320px; margin-left: auto; margin-right: auto; }
  /* Stats: grid 2x2 en móvil con bordes limpios */
  .stats__grid     { grid-template-columns: repeat(2,1fr); }
  .stat            { padding: 1.75rem 1rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .stat:nth-child(2n)  { border-right: none; }
  .stat:nth-child(n+3) { border-bottom: none; }
  .calc-breakdown  { grid-template-columns: 1fr; }
  /* Hero: refuerza el contraste para que el texto sea legible sobre el video/partículas */
  .hero video { opacity: 0.16 !important; }
  .hero__overlay {
    background: linear-gradient(160deg,
      rgba(6,8,9,0.96) 0%,
      rgba(6,8,9,0.9) 50%,
      rgba(14,42,24,0.72) 100%);
  }
  .hero h1,
  .hero__lead,
  .hero__sub      { text-shadow: 0 2px 14px rgba(0,0,0,0.6); }
  /* Galería conveyor: imágenes de 160px de alto, sin desbordar */
  .marquee        { height: 160px; }
  .mq-item        { height: 160px; }
  /* Clientes: separación más compacta al envolver en 2-3 por fila */
  .clients .clients__logos { gap: 0.85rem 1.1rem; }
}